Volcanoes, Reading Sheet

1. What lava characteristics determine whether an eruption will be violent and explosive or calm and effusive?

2. What are some of the materials emitted from volcanoes and what are the different materials effects on people? Give specific examples.

3. What is a pyroclastic flow?

4. In what three plate tectonic environments are volcanoes typically found? How do these volcanoes differ?

5. How is our country’s economic well-being related to volcanoes?

6. Consider several different volcanic hazards. Describe each and state how far from the volcano people and property might be affected.

MAKE SURE TO READ THE CASE HISTORIES AT THE END OF THE BOOK..THEY ARE GREAT!